/Engine/Source/Runtime/Core/Public/Misc/TypeContainer.h
Unregister
template<class R, typename P0, typename... P> void RegisterFactory ( const [TFunction](API\Runtime\Core\GenericPlatform\TFunction)< [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< R, Mode >([TSharedRef](API\Runtime\Core\Templates\TSharedRef)< P0, Mode >, [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< P, Mode >...)> & CreateFunc )